def test_virial_dw(self): virial_dw_test(self, self, suffix='_sea_ef_vert')
def test_virial_dw(self): virial_dw_test(self, self)
def test_virial_dw(self): virial_dw_test(self, self, suffix='_se_r')
def test_virial_dw(self): virial_dw_test(self, self, places=5, suffix='_tab_smth')
def test_virial_dw (self) : virial_dw_test(self, self, suffix = '_sea_ef_para')